package com.wlm.blogs.util;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class MD5Utils
{
    public static String code(String str) {
        try {
            MessageDigest md = MessageDigest.getInstance("MD5");
            md.update(str.getBytes());
            byte[] byteDigest = md.digest();
            int i;
            StringBuffer buf = new StringBuffer("");
            for (int offset = 0; offset < byteDigest.length; offset++) {
                i = byteDigest[offset];
                if(i<0)
                {
                    i+=256;
                }
                if (i< 16)
                {
                    buf.append("0");

                }
                buf.append(Integer.toHexString(i));
            }
            return buf.toString();
//   return buf.toString().substring(8, 24);
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
            return null;
        }
    }
    public static void main(String[] args)
    {
        System.out.println(code("123456"));
    }



}
